Leading Zeroes

Pad a number with leading zeroes (to the left)

padWithLeadingZeroes(num, targetLength);

Example

padWithLeadingZeroes(555,8); 
// => "00000555"
 
padWithLeadingZeroes('7 is James Bond', 15);
// => "007 is James Bond"

Parameters

num

Type	Required
number or string	Yes

The input to which leading zeroes should be added.

targetLength

Type	Required
number	Yes

The length of the resulting string once the current string has been padded. If the value is lower than the current string's length, the current string will be returned as is.

Installation

In your project's root folder, run:

yarn add leading-zeroes

Then in your JS code, add:

import leadingZeroes from 'leading-zeroes';

Running Tests

Clone this project into your local computer and run the following in its root directory (where the package.json is):

yarn install
yarn test

License

Released under the MIT license.